United Airlines flug UA 439: Multiple routes

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Mi,Do 08:15 Fort Lauderdale (FLL) 1 11:19 Newark Liberty, New York (EWR) C
UA 439 Non-stop Boeing 737-900 (739) 3:04 Effective 2026-03-11 through 2026-03-12
Sa 09:00 Washington Dulles (IAD) 11:40 Jackson (JAC)
UA 439 Non-stop Boeing 737-700 (73G) 4:40 Effective 2026-03-07 through 2026-03-28
Täglich 11:45 Denver (DEN) 13:30 Idaho Falls (IDA)
UA 439 Non-stop Airbus A319 (319) 1:45 Valid until 2026-01-05
Mi,Do 12:52 Newark Liberty, New York (EWR) C 16:13 Austin (AUS)
UA 439 Non-stop Boeing 737-900 (739) 4:21 Effective 2026-03-11 through 2026-03-12
Sa 13:51 San Francisco (SFO) 3 21:33 Atlanta (ATL) N
UA 439 Non-stop Boeing 737-800 (738) 4:42 Effective 2026-01-10 through 2026-02-07
Sa 14:48 Houston George Bush (IAH) C 16:14 McAllen/Mission (MFE)
UA 439 Non-stop Airbus A320 (320) 1:26 Effective 2026-02-14 through 2026-02-28
Di,Mi 18:11 Austin (AUS) 19:36 Denver (DEN)
UA 439 Non-stop Airbus A319 (319) 2:25 Effective 2026-01-06 through 2026-02-11
Mo,Do,Fr,So 18:15 Austin (AUS) 19:40 Denver (DEN)
UA 439 Non-stop Airbus A319 (319) 2:25 Effective 2026-01-08 through 2026-02-09
Mo-Fr,So 18:19 Austin (AUS) 19:44 Denver (DEN)
UA 439 Non-stop Airbus A319 (319) 2:25 Effective 2026-02-12 through 2026-02-19
Mo-Fr,So 18:19 Austin (AUS) 19:44 Denver (DEN)
UA 439 Non-stop Airbus A319 (319) 2:25 Effective 2026-02-22 through 2026-03-10
Mo-Fr,So 18:19 Austin (AUS) 19:44 Denver (DEN)
UA 439 Non-stop Airbus A319 (319) 2:25 Effective 2026-03-12 through 2026-03-27
Fr 18:20 Austin (AUS) 19:45 Denver (DEN)
UA 439 Non-stop Airbus A319 (319) 2:25 Operates only on 2026-02-20
Täglich 18:20 Austin (AUS) 19:40 Denver (DEN)
UA 439 Non-stop Airbus A319 (319) 2:20 Effective 2026-04-30 through 2026-05-20
Täglich 18:20 Austin (AUS) 19:40 Denver (DEN)
UA 439 Non-stop Boeing 737-800 (738) 2:20 Effective from 2026-05-21
Täglich 18:21 Austin (AUS) 19:54 Denver (DEN)
UA 439 Non-stop Airbus A319 (319) 2:33 Effective 2026-03-29 through 2026-04-29
Mi 18:28 Austin (AUS) 19:51 Denver (DEN)
UA 439 Non-stop Boeing 737-900 (739) 2:23 Operates only on 2026-03-11
Indirekte Flüge:
Mi,Do 08:15 Fort Lauderdale (FLL) 1 16:13 Austin (AUS)
UA 439 1-stop Boeing 737-900 (739) 8:58 Effective 2026-03-11 through 2026-03-12
Mi 12:52 Newark Liberty, New York (EWR) C 19:51 Denver (DEN)
UA 439 1-stop Boeing 737-900 (739) 8:59 Operates only on 2026-03-11
Do 12:52 Newark Liberty, New York (EWR) C 19:44 Denver (DEN)
UA 439 1-stop Boeing 737-900 (739) 8:52 Operates only on 2026-03-12
Mi 08:15 Fort Lauderdale (FLL) 1 19:51 Denver (DEN)
UA 439 2-stop Boeing 737-900 (739) 13:36 Operates only on 2026-03-11
Do 08:15 Fort Lauderdale (FLL) 1 19:44 Denver (DEN)
UA 439 2-stop Boeing 737-900 (739) 13:29 Operates only on 2026-03-12
This flight number is listed as serving the following routes:
United Airlines flug UA 439: Multiple routes
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United Airlines UA439
Effective 2026-03-11 through 2026-03-12
Mo
-
Di
-
Mi
Do
Fr
-
Sa
-
So
-
Duration: 3:04, non-stop
Boeing 737-900 (739)

Direktflüge:

United Airlines UA439
Effective 2026-03-07 through 2026-03-28
Mo
-
Di
-
Mi
-
Do
-
Fr
-
Sa
So
-
Duration: 4:40, non-stop
Boeing 737-700 (73G)

Direktflüge:

United Airlines UA439
Valid until 2026-01-05
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 1:45, non-stop
Airbus A319 (319)

Direktflüge:

United Airlines UA439
Effective 2026-03-11 through 2026-03-12
Mo
-
Di
-
Mi
Do
Fr
-
Sa
-
So
-
Duration: 4:21, non-stop
Boeing 737-900 (739)

Direktflüge:

United Airlines UA439
Effective 2026-01-10 through 2026-02-07
Mo
-
Di
-
Mi
-
Do
-
Fr
-
Sa
So
-
Duration: 4:42, non-stop
Boeing 737-800 (738)

Direktflüge:

United Airlines UA439
Effective 2026-02-14 through 2026-02-28
Mo
-
Di
-
Mi
-
Do
-
Fr
-
Sa
So
-
Duration: 1:26, non-stop
Airbus A320 (320)

Direktflüge:

United Airlines UA439
Effective 2026-01-06 through 2026-02-11
Mo
-
Di
Mi
Do
-
Fr
-
Sa
-
So
-
Duration: 2:25, non-stop
Airbus A319 (319)

Direktflüge:

United Airlines UA439
Effective 2026-01-08 through 2026-02-09
Mo
Di
-
Mi
-
Do
Fr
Sa
-
So
Duration: 2:25, non-stop
Airbus A319 (319)

Direktflüge:

United Airlines UA439
Effective 2026-02-12 through 2026-02-19
Mo
Di
Mi
Do
Fr
Sa
-
So
Duration: 2:25, non-stop
Airbus A319 (319)

Direktflüge:

United Airlines UA439
Effective 2026-02-22 through 2026-03-10
Mo
Di
Mi
Do
Fr
Sa
-
So
Duration: 2:25, non-stop
Airbus A319 (319)

Direktflüge:

United Airlines UA439
Effective 2026-03-12 through 2026-03-27
Mo
Di
Mi
Do
Fr
Sa
-
So
Duration: 2:25, non-stop
Airbus A319 (319)

Direktflüge:

United Airlines UA439
Operates only on 2026-02-20
Mo
-
Di
-
Mi
-
Do
-
Fr
Sa
-
So
-
Duration: 2:25, non-stop
Airbus A319 (319)

Direktflüge:

United Airlines UA439
Effective 2026-04-30 through 2026-05-20
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 2:20, non-stop
Airbus A319 (319)

Direktflüge:

United Airlines UA439
Effective from 2026-05-21
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 2:20, non-stop
Boeing 737-800 (738)

Direktflüge:

United Airlines UA439
Effective 2026-03-29 through 2026-04-29
Mo
Di
Mi
Do
Fr
Sa
So
Duration: 2:33, non-stop
Airbus A319 (319)

Direktflüge:

United Airlines UA439
Operates only on 2026-03-11
Mo
-
Di
-
Mi
Do
-
Fr
-
Sa
-
So
-
Duration: 2:23, non-stop
Boeing 737-900 (739)

Indirekte Flüge:

United Airlines UA439
Effective 2026-03-11 through 2026-03-12
Mo
-
Di
-
Mi
Do
Fr
-
Sa
-
So
-
Duration: 8:58, 1-stop
Boeing 737-900 (739)

Indirekte Flüge:

United Airlines UA439
Operates only on 2026-03-11
Mo
-
Di
-
Mi
Do
-
Fr
-
Sa
-
So
-
Duration: 8:59, 1-stop
Boeing 737-900 (739)

Indirekte Flüge:

United Airlines UA439
Operates only on 2026-03-12
Mo
-
Di
-
Mi
-
Do
Fr
-
Sa
-
So
-
Duration: 8:52, 1-stop
Boeing 737-900 (739)

Indirekte Flüge:

United Airlines UA439
Operates only on 2026-03-11
Mo
-
Di
-
Mi
Do
-
Fr
-
Sa
-
So
-
Duration: 13:36, 2-stop
Boeing 737-900 (739)

Indirekte Flüge:

United Airlines UA439
Operates only on 2026-03-12
Mo
-
Di
-
Mi
-
Do
Fr
-
Sa
-
So
-
Duration: 13:29, 2-stop
Boeing 737-900 (739)
This flight number is listed as serving the following routes:
  • Austin (AUS) - Denver (DEN)
  • Denver (DEN) - Idaho Falls (IDA)
  • Fort Lauderdale (FLL) - Austin (AUS)
  • Fort Lauderdale (FLL) - Denver (DEN)
  • Fort Lauderdale (FLL) - Newark Liberty, New York (EWR)
  • Houston George Bush (IAH) - McAllen/Mission (MFE)
  • Newark Liberty, New York (EWR) - Austin (AUS)
  • Newark Liberty, New York (EWR) - Denver (DEN)
  • San Francisco (SFO) - Atlanta (ATL)
  • Washington Dulles (IAD) - Jackson (JAC)